<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
</head>
<body>
    <div id="root">
        <input  v-model="inputValue"/>
        <button @click="handleSubmit">提交</button>
        <ul>
            <todo-item
                v-for="(item,index) of list"
                :key="index"
                :content="item"
                :index="index"
                @delete="handleDelete"
            >

            </todo-item>
        </ul>


    </div>
<script>
    Vue.component("todo-item",{
        props:['content','index'],
        template:"<li @click='handleClick'>{{content}}</li>",
        methods:{
           handleClick:function () {
                this.$emit('delete',this.index)
           }
        }
    })
    new Vue({
        el:"#root",
        data:{
            inputValue:'',
            list:[]
        },
        methods:{
            handleSubmit:function () {
                this.list.push(this.inputValue)
            },
            handleDelete:function (index) {
                this.list.splice(index,1)

            }
        }
    })
</script>
</body>
</html>